 You know what you were talking about with screwing the drywall or nailing the drywall within so many inches of the wall, the ceiling drywall, all that stuff is in that book, like nailing schedules. It's just an incredible resource. I mean, if you didn't know how to build a house and you couldn't get on YouTube, this book, you could do it. It's from foundation. It's incredible, the amount of information that's in there. Anyway, I was in there and...